Men's Korkers Polar Vortex 600 Winter Boots 96351-OB9701BK Enginnered for extreme winter performance. Customized traction on the fly; easily change soles as conditions or terrain demand, 100% Waterproof breathable bootie construction combined with waterproof leather keeps feet bone dry. 600g of 3M™ Thinsulate™ insulation, highly rated for extreme winter cold. Comes with SnowTrac Sole Features: Versatile Traction: Customized traction on the fly; easily change soles as conditions or terrain demand. Waterproof: 100% Waterproof breathable bootie construction combined with waterproof leather keeps feet bone dry. Insulation: 600g of 3M™ Thinsulate™ insulation, highly rated for extreme winter cold. Durability: Molded TPU toe cap for durability and protection with recessed stitching for added abrasion resistance. Fit System: Boa®M4 Fit System for fast and effortless on/off and custom fit. Comfort: Premium shock absorbing polyurethane footbed. Temp Rating: Comfort rated down to -40 Degrees Fahrenheit. Specs: 11” height / 3lbs 15oz per pair. Sizes: 8-15 (whole sizes only). California Residents WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov Men's Korkers Polar Vortex 600 Winter Boots